func fastAES_GCM(rwkey []byte) fastGCMState {
key := hash_invar(rwkey)[:16]
state := make([]byte, 65536*20)
sched := (*_Ctype_gcm_state)(unsafe.Pointer(&state[0]))
idx := C.find_cipher(C.CString("aes"))
FASSERT(C.gcm_init(sched, idx, unsafe_bytes(key), C.int(len(key))) == C.CRYPT_OK)
//LOG(LOG_DEBUG, "%X", state)
return fastGCMState(state)
}
func fastTF_NewOFB(key []byte) fastTF_State {
idx := C.find_cipher(C.CString("aes"))
iv := make([]byte, 16)
state := make([]byte, 65536)
FASSERT(C.ofb_start(idx,
unsafe_bytes(iv),
unsafe_bytes(key),
C.int(len(key)),
C.int(0), (*_Ctype_symmetric_OFB)((unsafe.Pointer)(&state[0]))) == C.CRYPT_OK)
return state
}